Fig. 3.
The FRET index was plotted against the acceptor levels for nonstimulated samples. All data points (ROIs) included have similar A/D ratios, and the FRET index shows little dependence on the receptor levels.
The FRET index was plotted against the acceptor levels for nonstimulated samples. All data points (ROIs) included have similar A/D ratios, and the FRET index shows little dependence on the receptor levels.